349477400 has 24 divisors (see below), whose sum is σ = 812535420. Its totient is φ = 139790880.

The previous prime is 349477391. The next prime is 349477411. The reversal of 349477400 is 4774943.

It is a happy number.

It is a super-2 number, since 2×349477400² = 244268906221520000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 873494 + ... + 873893.

Almost surely, 2^349477400 is an apocalyptic number.

It is an amenable number.

349477400 is an abundant number, since it is smaller than the sum of its proper divisors (463058020).

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

349477400 is a wasteful number, since it uses less digits than its factorization.

349477400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747403 (or 1747394 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 349477400 is about 18694.3146437627. The cubic root of 349477400 is about 704.3789443607.

The spelling of 349477400 in words is "three hundred forty-nine million, four hundred seventy-seven thousand, four hundred".