34401381 has 48 divisors (see below), whose sum is σ = 57182400. Its totient is φ = 18289152.

The previous prime is 34401373. The next prime is 34401397. The reversal of 34401381 is 18310443.

It is not a de Polignac number, because 34401381 - 2³ = 34401373 is a prime.

It is a super-2 number, since 2×34401381² = 2366910029414322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34401361) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 304381 + ... + 304493.

It is an arithmetic number, because the mean of its divisors is an integer number (1191300).

Almost surely, 2^34401381 is an apocalyptic number.

It is an amenable number.

34401381 is a deficient number, since it is larger than the sum of its proper divisors (22781019).

34401381 is a wasteful number, since it uses less digits than its factorization.

34401381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 34401381 is about 5865.2690475374. The cubic root of 34401381 is about 325.2310183903.

The spelling of 34401381 in words is "thirty-four million, four hundred one thousand, three hundred eighty-one".