46397520 has 120 divisors (see below), whose sum is σ = 167838216. Its totient is φ = 11418624.

The previous prime is 46397513. The next prime is 46397537. The reversal of 46397520 is 2579364.

46397520 is a `hidden beast` number, since 46 + 3 + 97 + 520 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4562496 + 41835024 = 2136^2 + 6468^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a nontrivial repunit in base 359.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6882 + ... + 11838.

Almost surely, 2^46397520 is an apocalyptic number.

46397520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46397520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83919108).

46397520 is an abundant number, since it is smaller than the sum of its proper divisors (121440696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

46397520 is a wasteful number, since it uses less digits than its factorization.

46397520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4989 (or 4980 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 46397520 is about 6811.5725056700. The cubic root of 46397520 is about 359.3339536737. Note that the first 3 decimals are identical.

The spelling of 46397520 in words is "forty-six million, three hundred ninety-seven thousand, five hundred twenty".