46381390 has 32 divisors (see below), whose sum is σ = 91360224. Its totient is φ = 16813440.

The previous prime is 46381369. The next prime is 46381399. The reversal of 46381390 is 9318364.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46381399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60892 + ... + 61648.

It is an arithmetic number, because the mean of its divisors is an integer number (2855007).

Almost surely, 2^46381390 is an apocalyptic number.

46381390 is a deficient number, since it is larger than the sum of its proper divisors (44978834).

46381390 is a wasteful number, since it uses less digits than its factorization.

46381390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 46381390 is about 6810.3883883373. The cubic root of 46381390 is about 359.2923082836.

The spelling of 46381390 in words is "forty-six million, three hundred eighty-one thousand, three hundred ninety".