355404090 has 16 divisors (see below), whose sum is σ = 852969888. Its totient is φ = 94774416.

The previous prime is 355404089. The next prime is 355404121. The reversal of 355404090 is 90404553.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 11846803 = 355404090 / (3 + 5 + 5 + 4 + 0 + 4 + 0 + 9 + 0).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5923372 + ... + 5923431.

It is an arithmetic number, because the mean of its divisors is an integer number (53310618).

Almost surely, 2^355404090 is an apocalyptic number.

355404090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

355404090 is an abundant number, since it is smaller than the sum of its proper divisors (497565798).

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

355404090 is a wasteful number, since it uses less digits than its factorization.

355404090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11846813.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 355404090 is about 18852.1640667590. The cubic root of 355404090 is about 708.3384342270.

The spelling of 355404090 in words is "three hundred fifty-five million, four hundred four thousand, ninety".