46390442 has 8 divisors (see below), whose sum is σ = 79526496. Its totient is φ = 19881612.

The previous prime is 46390441. The next prime is 46390451. The reversal of 46390442 is 24409364.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 46390399 and 46390408.

It is not an unprimeable number, because it can be changed into a prime (46390441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1656788 + ... + 1656815.

It is an arithmetic number, because the mean of its divisors is an integer number (9940812).

Almost surely, 2^46390442 is an apocalyptic number.

46390442 is a deficient number, since it is larger than the sum of its proper divisors (33136054).

46390442 is a wasteful number, since it uses less digits than its factorization.

46390442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313612.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 46390442 is about 6811.0529288796. The cubic root of 46390442 is about 359.3156804624.

The spelling of 46390442 in words is "forty-six million, three hundred ninety thousand, four hundred forty-two".